Rapid in situ laser digestion for high-precision barium isotope analysis of barite using double spike MC-ICP-MS

Key Points

• The aim is to enhance the accuracy of barium isotope analysis in barite using innovative methodologies.
• Developed rapid in situ laser digestion for barite samples.
• Utilized double spike MC-ICP-MS for high-precision measurements.
• Compared laser digestion effectiveness with conventional techniques.
• Achieved accurate barium isotope ratios using the new method.
• Reduced sample preparation time significantly.
• Improved precision of isotopic measurements compared to conventional approaches.